Friday 4 December 2015

VPLEX extent, volume or device "no longer exists" after renamed via GUI





Is the device/lun/volume healthy?

ll /**/*SAP*                                                      
/clusters/cluster-1/storage-elements/extents/extent_01_01_02_103_SAP_DB_01:
Name                           Value
-----------------------------  ------------------------------------------------
application-consistent         false
block-count                    131072000
block-offset                   0
block-size                     4K
capacity                       500G
description                    -
health-indications             []
health-state                   ok

So that seems fine.

plus checking the relationships between the files via the CLI shows it's all fine:

---------------------------------------------
     View Name:   Col_Linux-Oracle-vApps
     View Status: ok
---------------------------------------------
LUN-43: SAP_DB_01 (VPD83T3:6000144000000010a0245b40d0473e23)
        ==> SAP_DB_01 (distributed raid-1)
        cluster-1:
            ==> device_SAP_DB_01_12014Jun03_1115252014Jun03_151326 (raid-0)
                ==> extent_UAT_SAP_DB_01
                    ==> VPD83T3:6006016060d02c001b4a0bf204ebe311
                        ==> EMC~CLARiiON~CKM00112400948 (EMC~CLARiiON)
        cluster-2:
            ==> device_SAP_DB_01_1 (raid-0)
                ==> extent_SAP_DB_01
                    ==> VPD83T3:600601608e503000a18d671a05ebe311
                        ==> EMC~CLARiiON~CKM00112101396 (EMC~CLARiiON)


---------------------------------------------
sudo /etc/init.d/VPlexManagementConsole stop

cd to /var/log/VPlex/cli/ and locate the file GUI cache file persistentstore.xml and rename it with "mv" command.

sudo /etc/init.d/VPlexManagementConsole start

Then verify that the GUI cache file has been recreated when the service restarted.

We had no loss of service, or alerts when we did this, but the GUI error wasn't resolved either.

Guess what the answer from the vendor is now?  Bug fixed in newer release of the code.  Ha! 

Do you have any experience or understanding of this error? 

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